.eslintrc.json

{
  "root": true,
  "env": {
      "browser": true
  },
  "extends": [
      "eslint:recommended",
      "plugin:@typescript-eslint/recommended",
      "plugin:@typescript-eslint/recommended-requiring-type-checking"
  ],
  "parser": "@typescript-eslint/parser",
  "parserOptions": {
      "ecmaVersion": 6,
      "sourceType": "module",
      "project": ["./tsconfig.json"]
  },
  "plugins": [ "@typescript-eslint" ],
  "rules": {
      "brace-style": ["error", "allman", { "allowSingleLine": true }],
      "eol-last": ["error", "always"],
      "eqeqeq": ["error", "always"],
      "indent": ["error", 4, { "SwitchCase": 1 }],
      "linebreak-style": ["error", "unix"],
      "lines-between-class-members": ["error", "always"],
      "max-len": ["error", { "code": 120 }],
      "new-cap": "error",
      "no-irregular-whitespace": ["off"],
      "no-multiple-empty-lines": "error",
      "no-nested-ternary": "error",
      "no-trailing-spaces": "error",
      "no-unexpected-multiline": ["off"],
      "object-curly-spacing": ["error", "always"],
      "object-property-newline": "error",
      "one-var": ["error", "never"],
      "quotes": ["error", "double"],
      "semi": ["error", "always"],
      "space-before-blocks": ["error", "always"],
      "space-in-parens": ["error", "always"],
      "spaced-comment": ["error", "always", {
          "block": { "balanced": true },
          "exceptions": []
      }],
      "@typescript-eslint/no-empty-interface": ["error", { "allowSingleExtends": true }],
      "@typescript-eslint/no-explicit-any": ["error"],
      "@typescript-eslint/no-floating-promises": ["error"],
      "@typescript-eslint/no-non-null-assertion": ["error"],
      "@typescript-eslint/no-unsafe-assignment": ["error"],
      "@typescript-eslint/no-unsafe-call": ["error"],
      "@typescript-eslint/no-unsafe-member-access": ["error"],
      "@typescript-eslint/no-unsafe-return": ["error"],
      "@typescript-eslint/no-unused-vars": ["error"],
      "@typescript-eslint/restrict-template-expressions": ["error"]
  }
}